Bob Axtell wrote: >Gus S Calabrese wrote: > > >>On 2006-Jun 27, at 04:56hrs AM, xkrja wrote: >> >> >>Hi Jan, >>the thing is that I'm trying to find some kind of general solution >>that can >>work for many different cameras and brands. That is for cameras that >>support >>USB control of course. Hopefully, when I have the hardware, its just to >>write different software for different cameras. >> >>All major brands (Olympus, Canon, Nikon) have freeware/software for >>creating >>your own software for controlling the camera from the PC and I hope >>to get >>help from that. >> >>Would you mind supplying some URLs for the freeware software ? >>AGSC >> >>Gus S Calabrese >>Denver, CO >>720 222 1309 303 908 7716 cell >>I allow everything with "spamcode2006" in the subject or text to >>pass my spam filters >> >> >> >> >> >You might have a tough job, dependent on what you are trying to >accomplish. If you plan >to control a camera in the field, like to take security or animal >pictures, you might be disappointed. >When I looked at that a few years ago, the USB channel was only used to >pull pictures from the >camera, nothing else. I was not aware of any digital camera whose USB >port allowed you to actually >snap pix with it. But then, I am an ole guy and sometimes fail to pay >attention... > >There are two major issues when trying to use a digital camera for >security or animal purposes. The >first is that the camera tries to shut itself off all the time with a >3-5 min timer. The way you can prevent\ >that is by toggling the focus ring (the first contact when pressing the >"shutter button", partially depressed). >So, now, the camera is still on, so far so good. Now you need to >actually press the shutter button to >get a picture taken. Some cameras have LANC capabilities, such as SONY >VTRs and Video cameras. >A few have the capability of being driven by a remote IR switch . Both >LANC and IR are easily handled, >but the inexpensive cameras require you to get inside the camera to make >hard connections, a tough problem. >The way we did it was to use optoisolators to isolate the camera signals >from the control board. > >Is Olympus still making cameras? I thought they got out of that business... > >--Bob > > The Fuji S2 and S3 have this capabilty. I use it frequently. You can use USB or Firewire with their Hyperutility software. The auto-off feature could be a problem. I haven't yet tried using it as a security cam or similar. Dave -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist